GM Service Manual Online
For 1990-2009 cars only

To change a stoplamp/taillamp, turn signal lamp or back-up lamp bulb, do the following:

  1. Open the liftgate. See Liftgate/Liftglass for more information.

  2. Object Number: 869623  Size: A3

    Remove the two screws from the lamp assembly.

  3. Pull the assembly away from the vehicle. The following lamps will be shown:

    1. Object Number: 869624  Size: B3

      Stoplamp/Taillamp

      Turn Signal Lamp

      Back-Up Lamp

  4. Turn the bulb socket counterclockwise to remove it from the taillamp housing.
  5. Holding the socket, pull the bulb straight out to release it from the socket.
  6. Push the new bulb into the socket until it clicks. The back-up bulb will not click.
  7. Insert the socket into the taillamp and turn the socket clockwise until it stops.
  8. Reinstall the lamp assembly and tighten the screws.
  9. Close the liftgate.